/*
    2. Write a C program to get the C version you are using. 
    Expected Output:

    We are using C18!
*/
/*

*/

#include <stdio.h>

int main(void){
    switch (__STDC_VERSION__){
        case 201710L:
            printf("We are using C18");
            break;
        case 199409L:
            printf("We are using C94");
            break;
        case 199901L:
            printf("We are using C99");
            break; 
        default:
            printf("__STDC_VERSION__ = %d, ", __STDC_VERSION__);
            printf("please check\n");
            break;
    }

    return 0;
}